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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

Data_Engineer3
by Contributor III
  • 14058 Views
  • 4 replies
  • 5 kudos

How can i use the same spark session from onenotebook to another notebook in databricks

I want to use the same spark session which created in one notebook and need to be used in another notebook in across same environment, Example, if some of the (variable)object got initialized in the first notebook, i need to use the same object in t...

  • 14058 Views
  • 4 replies
  • 5 kudos
Latest Reply
Manoj12421
Valued Contributor II
  • 5 kudos

You can use %run and then use the location of the notebook - %run "/folder/notebookname"

  • 5 kudos
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yopbibo
by Contributor II
  • 5044 Views
  • 2 replies
  • 0 kudos

pip install in cluster using web UI and extra index

In an init script or a notebook, we can:pip install --index-url=<our private pypi url> --extra-index-url=https://pypi.org/simple <a module>In the cluster web UI (libraries -> install library), we can give only the url of our private repository, but n...

  • 5044 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Philippe CRAVE​ Thank you for posting your question in our community! We are happy to assist you.To help us provide you with the most accurate information, could you please take a moment to review the responses and select the one that best answer...

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Sabytheseeker
by New Contributor
  • 1153 Views
  • 1 replies
  • 0 kudos

I just passed the Lakehouse Fundamentals Accreditation and I haven&#39;t received my badge yet and the certification seems to be messed up 

I just passed the Lakehouse Fundamentals Accreditation and I haven't received my badge yet and the certification seems to be messed up 

  • 1153 Views
  • 1 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Sabyasachi Samaddar​ We are going through a contract renewal with our vendor, Accredible. Once our new contract goes through you will get your badge this week.Thank you for understanding.

  • 0 kudos
kris08
by New Contributor
  • 2888 Views
  • 1 replies
  • 0 kudos

Kafka consumer groups in Databricks

I was trying to find information about configuring the consumer groups for kafka stream in databricks. By doing so I want to parallelize the stream and load it into databricks tables. Does the databricks handle this internally? If we can configure th...

  • 2888 Views
  • 1 replies
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Latest Reply
Debayan
Databricks Employee
  • 0 kudos

Hi, we have a few examples on stream processing using Kafka (https://docs.databricks.com/structured-streaming/kafka.html), there is no straight public document for Kafka consumer group creation. You can refer to https://kafka.apache.org/documentation...

  • 0 kudos
Data_Analytics1
by Contributor III
  • 4675 Views
  • 4 replies
  • 2 kudos

Delta table property is not set.

I have set the delta table property at cluster level.spark.databricks.delta.retentionDurationCheck.enabled falseWhen I create a new table, retentionDurationCheck property is not shown in the table details. But when I set this with ALTER TABLE for a s...

  • 4675 Views
  • 4 replies
  • 2 kudos
Latest Reply
Anonymous
Not applicable
  • 2 kudos

Hi @Mahesh Chahare​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us s...

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Sachinbt
by New Contributor II
  • 2495 Views
  • 2 replies
  • 2 kudos

DataBricks Certification Exam Got Suspended. Need help in resolving the issue

Hi Team,My databricks exam got suspened on 16th April today Morning and it is still in the suspended state. I have raised a support request using the below linkhttps://help.databricks.com/s/contact-us?ReqType=training .​ but I haven’t received the ti...

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  • 2495 Views
  • 2 replies
  • 2 kudos
Latest Reply
Anonymous
Not applicable
  • 2 kudos

Hi @Sachin Kumara​ We are going through a contract renewal with our vendor, Accredible. Once our new contract goes through you will get your badge this week. Thank you for understanding!

  • 2 kudos
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tytytyc26
by New Contributor II
  • 3696 Views
  • 3 replies
  • 0 kudos

Resolved! Problem with accessing element using Pandas UDF in Image Processing

Hi everyone,I was stuck at this for very long time. Not a very familiar user of using Spark for image processing. I was trying to resize images that are loaded into a Spark DF. However, it keeps throwing error that I am not able to access the element...

  • 3696 Views
  • 3 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

 @Yan Chong Tan​ :The error you are facing is due to the fact that you are trying to access the attribute "width" of a string object in the resize_image function. Specifically, input_dim is a string object, but you are trying to access its width attr...

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andrew0117
by Contributor
  • 7033 Views
  • 4 replies
  • 0 kudos

Resolved! partition on a csv file

When I use SQL code like "create table myTable (column1 string, column2 string) using csv options('delimiter' = ',', 'header' = 'true') location 'pathToCsv'" to create a table from a single CSV file stored in a folder within an Azure Data Lake contai...

  • 7033 Views
  • 4 replies
  • 0 kudos
Latest Reply
pvignesh92
Honored Contributor
  • 0 kudos

Hi @andrew li​, When you specify a path with LOCATION keyword, Spark will consider that to be an EXTERNAL table. So when you dropped the table, you underlying data if any will not be cleared. So in you case, as this is an external table, you folder s...

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oleole
by Contributor
  • 8012 Views
  • 3 replies
  • 3 kudos

Resolved! How to delay a new job run after job

I have a daily job run that occasionally fails with the error: The spark driver has stopped unexpectedly and is restarting. Your notebook will be automatically reattached. After I get the notification that this job failed on schedule, I manually run ...

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  • 8012 Views
  • 3 replies
  • 3 kudos
Latest Reply
oleole
Contributor
  • 3 kudos

According to this documentation, you can specify the wait time between the "start" of the first run and the retry start time.

  • 3 kudos
2 More Replies
rshark
by New Contributor II
  • 8388 Views
  • 3 replies
  • 0 kudos

Error when calling SparkR from within a Python notebook

I’ve had success with R magic (R cells in a Python notebook) and running an R script from a Python notebook, up to the point of connecting R to a Spark cluster. In either case, I can’t get a `SparkSession` to initialize. 2-cell (Python) notebook exa...

  • 8388 Views
  • 3 replies
  • 0 kudos
Latest Reply
Dooley
Databricks Employee
  • 0 kudos

The answer I can give you to have this work for you is to call the R notebooks from your Python notebook. Just save each dataframe as a delta table to pass between the languages.How to call a notebook from another notebook? here is a link

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Josh_Stafford
by New Contributor II
  • 3591 Views
  • 2 replies
  • 2 kudos

Using dbutils.fs.ls on URI with square brackets results in error

Square brackets in ADLS are accepted, so why can't I list the files in the folder? I have tried escaping the square brackets manually, but then the escaped values are re-escaped from %5B to %255B and %5D to %255D. I get:URISyntaxException: Illegal ...

  • 3591 Views
  • 2 replies
  • 2 kudos
Latest Reply
Anonymous
Not applicable
  • 2 kudos

@Joshua Stafford​ :The URISyntaxException error you are encountering is likely due to the fact that square brackets are reserved characters in URIs (Uniform Resource Identifiers) and need to be properly encoded when used in a URL. In this case, it ap...

  • 2 kudos
1 More Replies
THeodor
by New Contributor II
  • 9139 Views
  • 11 replies
  • 4 kudos

Certificate and Badge not received

I have cleared my certification exam, Databricks Certified Data Engineer Associate on 07 April 2023. I haven't received any certification or badge yet.I sent an email to training databricks and they told me that this problem has been solved...Any Hel...

  • 9139 Views
  • 11 replies
  • 4 kudos
Latest Reply
Nadia1
Databricks Employee
  • 4 kudos

Hello all,We are going through a contract renewal with our vendor, Accredible. Once our new contract goes through you will get your badge this week. Thank you for understanding.

  • 4 kudos
10 More Replies
akashsharma7119
by Contributor
  • 46073 Views
  • 13 replies
  • 8 kudos

Resolved! Not able to generate Access Token for Service Principal using rest API

I am trying to generate a Databricks token for a service principal (SP). I have created the SP in Azure AD and have used the Databricks rest api to add it as an admin.When using the Databricks rest API "/api/2.0/token-management/on-behalf-of/tokens" ...

  • 46073 Views
  • 13 replies
  • 8 kudos
Latest Reply
callumwhite
New Contributor III
  • 8 kudos

Hi all,I believe I found a temporary fix for this -Generate an AAD token for the service principle in Azure. Follow this guide if you don't know how to -https://learn.microsoft.com/en-us/azure/databricks/dev-tools/api/latest/aad/service-prin-aad-toke...

  • 8 kudos
12 More Replies
killjoy
by New Contributor III
  • 7468 Views
  • 2 replies
  • 0 kudos

Unexpected failure while fetching notebook - What can we do from our side?

Hello!We got some pipelines running in Azure Data Factory that call Databricks Notebooks to run data transformations. This morning at 6:21 AM (UTC) we got an error " Unexpected failure while fetching notebook" inside a notebook that calls another one...

  • 7468 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

@Rita Fernandes​ :Based on the error message you provided, it seems like the issue might be related to the version mismatch between the ANTLR tool used for code generation and the current runtime version. Additionally, the error message suggests that...

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